Home / 22,207.10-30,641.92-13,254.05

Finding the Fourth Proportional to 22,207.10, 30,641.92 and 13,254.05

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Solution

The fourth proportional to 22,207.10, 30,641.92 and 13,254.05 is: 18,288.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,207.10 : 30,641.92 = 13,254.05 : x
  2. Step 2: Convert to fraction form
    22,207.10/30,641.92 = 13,254.05/x
  3. Step 3: Cross multiply
    22,207.10x = 30,641.92 × 13,254.05
  4. Step 4: Simplify right side
    22,207.10x = 406,129,583.25
  5. Step 5: Solve for x
    x = 406,129,583.25/22,207.10
  6. Step 6: Final answer
    x = 18,288.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.